3DS OUTSCALE Cloud services are available in several locations worldwide. The 3DS OUTSCALE infrastructure is composed of different Regions and Availability Zones isolated from one another, where you can create your Cloud resources.

The following topics are discussed: 

Regions and Endpoints 

A Region is a geographical area where you can host Cloud resources. Regions are independent from each other, and do not share resources. Resources hosted in a Region cannot be accessed from other Regions. Communication between Regions is only possible using the Internet. For more information about Regions locations, see Regions, Endpoints and Availability Zones Reference. 

Data is never automatically transferred between Regions. Data stored on your resources remains in the Region where you deployed them, and is protected by local laws.

You can however copy your account or resources between different Regions. For more information, see Copying Your 3DS OUTSCALE Account to Another Region, or Copying an OMI Across Regions and Tutorial: Copying a Snapshot to a Different Region.

A Region consists of one or more Availability Zones. For more information, see the Regions and Availability Zones section below.

When deploying resources, you must use an endpoint to specify the Region. Endpoints are URLs that provide an entry point to a Cloud service. Every service request must contain an endpoint. To reduce latency, each service has a specific endpoint for each Region where it is available. For more information, see Regions, Endpoints and Availability Zones Reference

Regions and Availability Zones

An Availability Zone (AZ) is a distinct location in a Region. A Region consists of one or more AZs, and each AZ belongs to a single Region. 

Each AZ corresponds to a physical datacenter of the 3DS OUTSCALE infrastructure in the Region. For safety reasons, AZs are isolated from one another. However, low-latency communication between AZs in the same Region is enabled with fiber-optic links. 

You can choose to deploy resources in different AZs to isolate them from one another in the physical infrastructure, and thus reduce risks.

Availability Zones are randomly assigned. Therefore, the first AZ you use in a Region can be placed on any datacenter in that Region. The second AZ is then automatically placed on another datacenter.


Regions and Availability Zones Architecture 



Some types of resources are placed in an Availability Zone, while others are placed in a Region. When deploying the following resources, you can either choose a specific AZ or let 3DS OUTSCALE choose a default one:

For more information about available AZs, see Regions, Endpoints and Availability Zones Reference


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